Reveals incompetent perforating veins as the primary source of reflux in recurrent postsurgical varicose veins, highlighting duplex imaging as a key non-invasive evaluation tool.
There is the need to develop a universally accepted standard investigation for recurrent varicose veins. Duplex venous imaging offers a precise, non-invasive technique to make anatomic and hemodynamic diagnoses. A routine protocol of duplex imaging of recurrent varicose veins is described based on the known recurrent sources of reflux from deep to superficial veins. Results from this protocol indicate that incompetent perforating veins are the most common site of reflux from deep to superficial veins in patients with recurrent postsurgical varicose veins. Other important sites of reflux detected by this method are recurrent communications with the common femoral vein, the saphenopopliteal junction, and incompetent pelvic veins. Duplex imaging is recommended as a safe, non-invasive method of evaluating recurrent varicose veins.
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Thibault et al. (1992) studied this question.
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